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[libcpu] Add CPU_FEATURE_WRN

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The new CPU_FEATURE_WRN macro in the cpu features list will cause the
kernel to emit a warning but not panic if the feature is missing.
This commit is contained in:
Justin C. Miller
2023-05-01 20:35:12 -06:00
parent 1e2e154747
commit 3b3857548c
5 changed files with 12 additions and 1 deletions
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4
src/libraries/cpu/cpu_id.cpp
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@@ -49,12 +49,16 @@ cpu_id::features() const
if (r.regname & (1ull << bit)) \
feats.set(feature::name);
#define CPU_FEATURE_WRN(name, feat_leaf, feat_sub, regname, bit) \
CPU_FEATURE_OPT(name, feat_leaf, feat_sub, regname, bit);
#define CPU_FEATURE_REQ(name, feat_leaf, feat_sub, regname, bit) \
CPU_FEATURE_OPT(name, feat_leaf, feat_sub, regname, bit);
#include "cpu/features.inc"
#undef CPU_FEATURE_OPT
#undef CPU_FEATURE_REQ
#undef CPU_FEATURE_WRN
return feats;
}